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Your online destination for news articles on planets, cosmology, NASA, space missions, and more. You’ll also find information on how to observe upcoming visible sky events such as meteor showers, solar and lunar eclipses, key planetary appearances, comets, and asteroids.
 | Concerns about ice falling from the external tank lead NASA to again postpone Discovery's launch. Also announced: NASA is starting work on a manned Hubble servicing mission. By Robert Burnham
Published: April 30, 2005 |
 | Resisting change, pristine Sedna, VATT supernova, and more
Published: April 29, 2005 |
 | Astronomers use 200,000 quasars to confirm Einstein's prediction of cosmic magnification. By Dan Falk
Published: April 26, 2005 |
 | Atom-smashing physicists have created evanescent droplets of the fluid that filled the universe microseconds after its birth.
Robert Adler
Published: April 26, 2005 |
 | Group moves to safeguard and archive astronomical plates. By Martin Ratcliffe
Published: April 22, 2005 |
 | A cloud of dust around a nearby star suggests it also has numerous rocky bodies and perhaps terrestrial planets. By Robert Burnham
Published: April 21, 2005 |
 | A "born-again" star gives astronomers an unprecedented look at late stellar evolution. By Francis Reddy
Published: April 21, 2005 |
 | Postponing the earliest launch by a week gives NASA extra time to resolve a few issues. By Robert Burnham
Published: April 20, 2005 |
 | A few areas at the Moon's north pole see a midnight Sun — at least in summer. By Robert Burnham
Published: April 20, 2005 |
 | Astronomers tone down the Torino Earth-impact scale.
Robert Adler
Published: April 19, 2005 |
 | Did a galactic collision create the stars in our galaxy's outer disk? By Ken Croswell
Published: April 19, 2005 |
 | "Putting a computer in the pilot's seat" suffers a setback. By Robert Burnham
Published: April 18, 2005 |
 | Researchers say the eccentric orbits of Upsilon Andromedae's planets got that way by interacting with a wayward world. By Francis Reddy
Published: April 14, 2005 |
 | M31 is a lot larger than it looks. By Ken Croswell
Published: April 13, 2005 |
 | For 36 seconds, the Moon covered the Sun in the South Pacific. By Michael E. Bakich
Published: April 11, 2005 |
 | A new type of star cluster orbits the Andromeda Galaxy. By Francis Reddy
Published: April 7, 2005 |
 | Astronomers have found a giant loop of X-ray emitting gas near our galaxy's center. By Francis Reddy
Published: April 7, 2005 |
 | European astronomers get serious about a stadium-size telescope.
Robert Adler
Published: April 7, 2005 |
 | What influences Sedna's lethargic rotation speed? Nothing — the planetoid spins faster than previously thought. By Jeremy McGovern
Published: April 7, 2005 |
 | Weighing distant galaxy clusters may be easier than astronomers thought. By Liz Kruesi
Published: April 7, 2005 |
 | The California telescope maker plans to resume full production and product development.
By Francis Reddy
Published: April 6, 2005 |
 | April 8 brings the return of a hybrid eclipse. Astronomy's editors are chasing the Moon's shadow.
Published: April 5, 2005 |
 | Half of the known extrasolar planetary systems could harbor habitable Earths.
Robert Adler
Published: April 4, 2005 |
 | NASA successfully tests robotic prototype that may join exploration of other worlds. By Jeremy McGovern
Published: April 1, 2005 |
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